03. Logistics

using System;

namespace Logistics
{
    class Program
    {
        static void Main(string[] args)
        {
            double cargoVolume = double.Parse(Console.ReadLine());
            double bus = 0;
            double truck = 0;
            double train = 0;
            double totalCargo = 0;

            for (int i = 1; i <= cargoVolume; i++)
            {
                double currentCargo = double.Parse(Console.ReadLine());

                if (currentCargo < 4)
                {
                    bus += currentCargo;
                }
                else if (currentCargo < 12)
                {
                    truck += currentCargo;
                }
                else
                {
                    train += currentCargo;
                }
                totalCargo += currentCargo;
            }
            double average = (bus * 200 + truck * 175 + train * 120) / totalCargo;
            Console.WriteLine($"{average:f2}");
            Console.WriteLine($"{bus / totalCargo * 100:f2}%");
            Console.WriteLine($"{truck / totalCargo * 100:f2}%");
            Console.WriteLine($"{train / totalCargo * 100:f2}%");
        }
    }
}